Pumping-engine



(No Model.) 4 l 2 Sheets-Sheet 1.

E. H. MARTIN.

PUMPING ENGINE.

No. 279,407. Patented June 12,1883.

INVBNTOR l ATTGRNBY WITNESSES N. PETERS, Pbvto-Lhmgnphur, Washngmn. n C.

(No Model.) l 2 Sheets-Sheet E. H. MARTIN.

PUMPING ENGINE.

N0. 279,407. v Patented June 12,1883.

WITNBSSBS Y ZNVBNTOR UNTED STATES PATENT OFFICE.

EDWIN H. MARTIN, OF CLEVELAND, OHIO.

PUMPING-ENGINE- sPEcIrIcArIoN forming part of Leners :Patent No. 279,407, dated June 12, 1883,

' Application filed April 19, 18x13. (No model.)

To all wibo/11, t may concern/ Be it known that I, EDWIN H. llrL-XRCIFIN,r a citizen ofthe United States, residing at Cleveland, county of Cuyahoga, and State of Ohio,

have invented certain new and useful Improvements in Pumping-Engines, and I do hereby declare the ibllowing to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains 'to make and use the same, reference being had to the accompanying drawings, forming part of this specification.

This invention relates to certain improvements on the construction of my pumping-engine, set forth in United States Letters Patent No. 223,000, December 80, 1870. These improvements pertain, respectively, to the lessening of initial cost of the engine; to the economizing of area necessary as engine-room, and to the saving of labor in the care of the engine. The construction resulting` in such advantages becomes of peculiar significance when it is remembered that this yclass of machinery is of necessity heavy in its parts and extensive in its proportions. In making these improvements the controlling aim has been to so build the enginethat certain forms of the previously- -patented construction may be dispensed with and be substituted by more practicable forms; also, that the superiicialarea of the engine may be made small, and thus permit of its location and accommodation in less-sized quarters than heretofore and, finally, to form the main coniponent parts of the engine in such juxtaposition as to adapt them to be more readily observed and attended to than in the old engine.

With these several ends in view the invention consists in constructing two steam-cylin-` ders respectively over two water-cylinders, and adapting the connecting parts of the different cylinders so that they may operate to advantage in such combination.

Referring to the drawings, Figure l is a view l in longitudinal vertical section on center line of one of the two pairs of steam and water cylinders employed in the invention. Fig. 2 is a top view of the invention, one steam-cylinder and connecting parts being removed in order to show the water-cylinder and connecting parts otherwise concealed.

There are two steam-cylinders, each having its operative parts independent of the other, but both of them being connected to the saine driving-shaft, A. There are also two watercylinders, each having its operative parts independent ofthe other,- but both of them being connected to one shalt, B, the latter shaft being located below and to the rear ot' shaft A. Both shafts arelocatedtransversely 011 fthe bed O of the engine, the steam and water cylinders being formed longitudinally on said engine-bed. Each water cylinder has a steam cylinder formed directly upon it in longitudinal vertical plane therewith. The driving-shaft A has a crank, c, formed on each end thereof, the two cranks being at right angles to each other. Said shaft carries a {1y-wheel, D, and a pinion, E. This pinion gears into a spnr-wheel,F, mounted on shaft B, th'e latter shaft having a crank, I, on each cn d thereof. These two cranks are also at right angles to each other. Each steam-cylinder G has its piston-rod H connected by a pitman, L, to its appropriate crank c. Each water-cylinder M has its piston-rod N connected by a pitman, P, to its appropriate crank I). By suitably operating the steam-cylinders the thrusts of both shafts A and B is downward, and thereby tending to study thc motion. Each steam-cylinder is provided with a main valve, c, and a cut-off valve, d, both said valves being rotary and driven by eccentrics 011 the driving-shaft. The main valve-rod e connects directly with its eccentricf 011 said drivingshaft. The cut-off valve-rod g is connected directly to rock-shaft R, and the latter connects by rod 7L to eccentric Z of the drivingshaft. An adjusting device, S, permits of any desired adjustment of the cut-off, as the operation may be wished to be made more or less quick. The pump-valves m are simple blocks of wood, controlling ample and direct waterpassages. They are provided on the top and sides with a thin casing of metal to give them weight and also to prevent wearing in the guides between which they work.

Should any slight repairs or packing be required in any one of the different independent sets of steam or water parts, said set may be disconnected from the other sets, and rsuch repairs or packing be accomplished without stop page of the water supply.

Having fully described the invention, what IOO I claim as new, and desire to secure by Letters Patent, is-

1. In a double pumping-engine, the eoinbination7 with the two water-eyliinlers M and the two steam Cylinders G, said 'four Vcylinders formed in the toi-ward portion of the enginebed C, of the two transverse shafts A and B, respectively having bearing in the rear portion of said enginebed, and Connecting' parts extending forward from shaft Il to the watereylinders and from shaft A to the steam-@xlinders. substantially as and for the purpose set forth.

2. In a double pnmpingengine, the eoinbination, with the two steainbylilulers G, each having an independent set of operating parts connected to the pinion-shalt A, ol' the two 'water-ey]inders M, euch having an independent set of operating` parts connected to the spurwheel shaft B, said steam-Cylinders being re connected to the pinion-shaft A, of the two water-oylinders M, each connected to the spurwheel shaft B, having its bearing` below and to the rear of said pinion-shatt, the steam-ey]- in'ders being formell one on each water-cylinder, substantially as anilji'or the purpose Set forth. s

EDVIN H. MARTIN.

bffitnesses;

Tiros. B, HALL, JOHN G. HALL, Jr. 

